Pattern Recognition and Applications

Pattern Recognition and Applications

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This book deals with novel scientific and technology research in Pattern Recognition and Applications. It presents a selection of papers that summarises the main research activities in these areas developed in Spanish research centres. The book is supported by the "Asociación Española de Reconocimiento de Formas y Análisis de Imágenes" (AERFAI), associated to the International Pattern Recognition Association (IAPR). It includes thirty-one works organised into four categories reflecting the present areas of interest in the Spanish Pattern Recognition Community:

* Pattern Recognition: this Section consists of nine papers in the areas of statistical and syntactic-structural approaches. They include new approaches related to classicalpattern classification problems and methodologies like multiedit algorithm, gradient-descent methods, hierarchical clustering, nearest neighbours rule, tree language compression, function described graphs, etc.

* Computer Vision: this Section includes ten papers. They present new methods in colour segmentation, visual tracking, alignment in 3D reconstruction, trademark search techniques, visual behaviours for binocular navigation and active vision systems.

* Speech Recognition and Translation: this Section consists of five papers related to continuous speech recognition and statistical translation. They include new proposals in acoustic and language models, based on Connectionist and Syntactic Pattern Recognition approaches. The word categorisation problem is also addressed in the statistical translation background.

* Applications in Computer Vision, Speech Recognition and Translation: this Section includes seven papers. They deal with application to digital TV, biomedical images, mammography, trabecular bone patterns and new calibration methods for large surface topography. A Continuous Speech Recognition system developed by a Spanish group as well as a preliminary version of a Spanish-Catalan translation system are also included in this Section.

The Scientific Committee includes nine international and twenty-two Spanish specialists in the Pattern Recognition field. Three members of this Scientific Committee have reviewed all the papers published in this book. These papers are a good summary of the Spanish research in the fields of Pattern Recognition and Image Analysis, as well as in their Applications.

We would like to thank all the authors who have submitted papers for their effort and kind collaboration. We are also grateful to the members of the Scientific Committee for their help in selecting the papers presented in this book. We also would like to thank Dr. López de Mantaras, editor of the IOS Press series Frontiers in Artificial Intelligence and Applications, for his support and encourage in the initial book project. Finally, we are particularly thanks to Esther Alonso for her effort in compiling the papers.